(There are two behavior standards for the network cable crystal head, the standards are TIA/EIA568B and TIA/EIA568A. To make the crystal head, first place the side with the card down, the side with the copper piece up, and the side with the opening towards your body. From left to right, the order is 1234567TIA/EIA-568B: 1, white and orange, 2, Orange, 3, White Green, 4, Blue, 5, White Blue, 6, Green, 7, White Brown, 8, Brown TIA/EIA-568A: 1, White Green, 2, Green, 3, White Orange, 4, Blue, 5, White Blue, 6, Orange, 7, White Brown, 8, Brown 8,)
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